HomeTransmission > Gaskets and Sealing SystemsNational 710298 Manual Transmission Differential Seal
Part #: 710298

National 710298 Manual Transmission Differential Seal

⚙️ 22 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Acura, RL, TL, and Legend
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Overview of National 710298 Manual Transmission Differential Seal

The National 710298 manual transmission differential seal is engineered for Acura Legend, RL, and TL models. Designed to maintain optimal sealing performance, this oil seal helps protect your vehicle's manual transmission differential from leaks and contamination.

  • Inside diameter: 1.654 inches (42.000 mm)
  • Outside diameter: 2.488 inches (63.200 mm)
  • Thickness: 0.354 inches (9.000 mm)
  • Sealing material: Polyacrylate for durability and resistance
  • Clockwise-spiral lip design for effective sealing
  • Overall width with side lip: 0.492 inches (12.500 mm)
  • Compatible with Acura Legend, RL, and TL manual transmissions

Detailed Product Description

The National 710298 manual transmission differential seal is constructed from polyacrylate, a material known for its excellent resistance to heat, oil, and wear. Its precise dimensions, including a 1.654-inch inside diameter and a 2.488-inch outside diameter, ensure a secure fit within the transmission housing bore of 2.480 inches (63.000 mm). The seal features a clockwise-spiral lip design that enhances sealing efficiency by preventing oil leaks and keeping contaminants out. With a thickness of 0.354 inches and an overall width of 0.492 inches including the side lip, this seal is engineered to maintain the integrity of the manual transmission differential in Acura Legend, RL, and TL vehicles.

Applications and Problem Solving

This manual transmission differential seal is specifically compatible with Acura Legend, RL, and TL models, making it a reliable replacement part for maintaining transmission performance. It addresses common issues such as:

  • Preventing oil leaks from the manual transmission differential
  • Reducing contamination from dirt and debris entering the transmission
  • Minimizing wear on transmission components by maintaining proper lubrication
  • Ensuring smooth operation of the manual transmission system
  • Extending the service life of the transmission differential

Installation Notes and Tips

  • Ensure the transmission housing bore is clean and free of debris before installation
  • Verify the seal dimensions match the original part to guarantee proper fitment
  • Use appropriate tools to avoid damaging the seal during installation
  • Apply a light coating of transmission fluid on the seal lip to ease installation and improve sealing
  • Inspect the shaft and housing for wear or damage prior to installing the new seal

Quality Assurance and Warranty

National manufactures the 710298 manual transmission differential seal to meet strict quality standards, ensuring reliable performance and durability. The polyacrylate material and precise engineering contribute to consistent sealing under normal operating conditions. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in the product's longevity and function.

BrandNational
Part Number710298
Helix TypeClockwise-Spiral Lip Design
Housing Bore (Inch)2.480
Housing Bore (MM)63.000
Inside Diameter1.654
Inside Diameter42.000
MaterialPolyacrylate
Outside Diameter2.488
Outside Diameter63.200
Outside Diameter (Inch)2.488
Outside Diameter (mm)63.200
Overall Width with Side Lip (MM)12.500
Overall Width with Side Lip (Inch)0.492
Part DescriptionOil Seal
Sealing MaterialPolyacrylate
Series710200
Shaft (Inch)1.654
Shaft (MM)42.000
Thickness0.354
Thickness9.000
Type40
Unit of DimensionMetric
Width (Inch)0.354
Width (mm)9.000

This part fits 22 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2004AcuraRLAutomaticN/A
2003AcuraRLAutomaticN/A
2002AcuraRLAutomaticN/A
2001AcuraRLAutomaticN/A
2000AcuraRLAutomaticN/A
1999AcuraRLAutomaticN/A
1998AcuraRLAutomaticN/A
1998AcuraTLAutomaticN/A
1997AcuraRLAutomaticN/A
1997AcuraTLAutomaticN/A
1996AcuraRLAutomaticN/A
1996AcuraTLAutomaticN/A
1995AcuraLegendAutomaticN/A
1995AcuraLegendManualN/A
1994AcuraLegendAutomaticN/A
1994AcuraLegendManualN/A
1993AcuraLegendAutomaticN/A
1993AcuraLegendManualN/A
1992AcuraLegendAutomaticN/A
1992AcuraLegendManualN/A
1991AcuraLegendAutomaticN/A
1991AcuraLegendManualN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

164651902781919027819B71029891206-PY4-00391206-PY4-004NJ170

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.